html {
    overflow-y: scroll;
}
:root {
    overflow-y: auto;
}
:root body {
    position: absolute;
}
body {
    width: 100%;
    overflow: hidden;
}
/*app*/
#app nav .nava a:hover{
    color: rgb(23, 99, 143);
}
#app a{
    text-decoration: none;
}
#app a:hover{
    color: #fff;
    text-decoration: none;
}
#app nav{
    width: 100%;
}
li{
	list-style-type: none;
}
/*下边栏*/
.tab{
    width: 100%;
    height: 70px;
    position: fixed;
    left: 0;
    bottom: 0;
    background-color: rgb(34,45,50);
    z-index:820;
    margin: 0 auto -8px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.tab span{
    font-size: 1.5rem;
    color: #82dec8;
}
.tab li{
    width: 25%;
    line-height: 70px;
    font-size: 1rem;
    text-align: center;
    list-style: none;
    flex:1;
    margin-left: -30px !important;
}
.tab a{
    text-decoration: none;
    color: rgb(138,164,175);
}
/*图表*/
.panel{
	margin: 0 auto;

}
.test{
    width: 100%;
    margin: 0 auto;
}
.row .mb{
    position: relative;
    top: -230px;
    z-index:810;
}
.row .mb2{
    position: relative;
    top: -160px;
    z-index:810;
}
/*home*/
.home{
    margin: -10px 0 20px 0;
}
.mask{
    padding: 20px 0;
  }
/*联系我们*/
#contact{
    background: url("../img/4.jpg") repeat;
    background-size: cover;
    width: 100%;
    padding-top: -70px;
    /*color: rgb(64,210,177);*/
}
#contact h2{
    font-weight: bold;
    margin-bottom: 15px;
}
#contact .item-icon{
    margin-right: 10px;
}
#contact span{
    text-indent: 2em;
    line-height: 25px;
    margin-bottom: 10px;
    font-weight: bold;
}
#contact .form-control{
    border: none;
    border-radius: 0;
    margin-bottom: 10px;
}

#contact input[type=submit]{
    background-color: #40D2B1;
    font-weight: bold;
    color: #ffffff;
    transition: all .3s ease-in;
}
#contact input[type=submit]:hover{
    background-color: #3bb392;
}
/*轮播图*/
.carousel{
    width: 80%;
    margin: 0 auto 5px;
}
.carousel-inner>.item>img {
    width: 100%;
}
